<h4>Tool</h4><table border="0"><tr><td valign="top"><b>Name</b></td><td valign="top">Create Reference Points</td></tr><tr><td valign="top"><b>ID</b></td><td valign="top">0</td></tr><tr><td valign="top"><b>Author</b></td><td valign="top">O.Conrad (c) 2013</td></tr><tr><td valign="top"><b>Specification</b></td><td valign="top">interactive</td></tr></table><hr><h4>Description</h4>Digitize reference points for georeferencing grids, images and shapes. Click with the mouse on known locations in the map window and add the reference coordinates. After choosing 4 or more points, stop the interactive module execution by unchecking it in the in the tools menu.<hr><h4>Parameters</h4><table border="1" width="100%" valign="top" cellpadding="5" rules="all"><tr><th>Name</th><th>Type</th><th>Identifier</th><th>Description</th><th>Constraints</th></tr>
<tr><th colspan="5">Output</th></tr><tr><td>Reference Points (Origin)</td><td>Shapes (output)</td><td>REF_SOURCE</td><td></td><td></td></tr><tr><td>Reference Points (Projection) (*)</td><td>Shapes (optional output)</td><td>REF_TARGET</td><td></td><td></td></tr><tr><th colspan="5">Options</th></tr><tr><td>Method</td><td>Choice</td><td>METHOD</td><td></td><td>Available Choices:
[0] Automatic
[1] Triangulation
[2] Spline
[3] Affine
[4] 1st Order Polynomial
[5] 2nd Order Polynomial
[6] 3rd Order Polynomial
[7] Polynomial, Order
Default: 0</td></tr><tr><td>Polynomial Order</td><td>Integer</td><td>ORDER</td><td></td><td>Minimum: 1
Default: 3</td></tr><tr><td>Clear Reference Points</td><td>Boolean</td><td>REFRESH</td><td></td><td>Default: 0</td></tr></table>(*) <i>optional</i>